1999 Chevrolet Blazer Engine and Engine Cooling Problems

Source: NHTSA · Updated Oct 23, 2019 · 62 complaints analyzed

Owners have filed 62 complaints with NHTSA about engine and engine cooling problems on the 1999 Chevrolet Blazer, 14% of all complaints for this model year. Half of the reports with a mileage happened before 65,000 miles. The words owners use most often: “heater core” (8% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Heater core: mentioned in 5 of 62 complaints (8%)

At what mileage do engine and engine cooling problems happen?

Based on 23 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles2 · 9%
25k–50k miles4 · 17%
50k–75k miles12 · 52%
75k–100k miles4 · 17%
100k–150k miles1 · 4%
150k+ miles0 · 0%

How serious are the reports?

Of 62 complaints, 2 a fire.

Chevrolet Blazer engine and engine cooling complaints by model year

Peak: 1995, with 213 complaints
1995: 21319952131996: 1491491997: 931997931998: 64641999: 621999622000: 63632001: 232001232002: 20202003: 6200362004: 442005: 1200512008: 112019: 1201912020: 332021: 3202132022: 112023: 1202312024: 22

n = 710 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2024 Blazer24%23,500
2023 Blazer12%48,000
2022 Blazer12%49,500
2021 Blazer32%63,000
2020 Blazer31%97,000
2019 Blazer11%22,000
2008 Blazer120%—
2005 Blazer17%—
2004 Blazer48%38,000
2003 Blazer68%40,000
2002 Blazer208%42,919
2001 Blazer237%47,000
2000 Blazer6311%69,500
1999 Blazer6214%65,000
1998 Blazer649%73,197
1997 Blazer9312%81,167
1996 Blazer14913%83,750
1995 Blazer21317%82,379

When owners reported it

Peak: 2003, with 17 complaints
1999: 5199952000: 7200072001: 4200142002: 152002152003: 172003172004: 4200442005: 3200532006: 4200642007: 320073

n = 62 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine and engine cooling for the 1999 Chevrolet Blazer. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

After having driven the vehicle for about 2 hours on interstate roads (constantly monitoring the coolant gauge - standard for any trip i take). I stopped to go to the rest room and when i returned and started the vehicle it made a horrible loud metal banging noise. I moved the vehicle to that if it…

Received Aug 8, 2007 · NHTSA complaint 10198884

Tl*the contact owns a 1999 chevrolet blazer. While depressing the brake pedal at 5 mph, the vehicle surged forward without warning. The mechanic was unable to diagnose the cause of failure. The contact stated that she experienced the same failure immediately after leaving the mechanic. The vehicle…

Received Jun 14, 2007 · NHTSA complaint 10193368

Cooling system-i replaced the radiator and flushed system. Did not fix problem. Leaks oil-inserted die replaced gasket and still leaks. *nm

Received Jan 12, 2007 · NHTSA complaint 10178592

Frequently asked questions

Do all 1999 Chevrolet Blazers have engine and engine cooling problems?

No. NHTSA has 62 owner complaints about engine and engine cooling for the 1999 Chevrolet Blazer (14% of the 436 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 1999 Chevrolet Blazer engine and engine cooling?

No recall currently lists engine and engine cooling for this vehicle.

At what mileage do engine and engine cooling problems start?

The median reported mileage is 65,000 miles: half of the reports with a mileage came before that.

What do owners say about engine and engine cooling problems on the 1999 Chevrolet Blazer?

The most frequent phrase is “heater core”, in 5 of 62 complaints.

Other 1999 Chevrolet Blazer problems

See all 1999 Chevrolet Blazer problems or engine and engine cooling problems across all Blazer years.